<template>
  <div class="login-container">
    <el-form
      class="login-form"
      ref="loginFormRef"
      :model="loginForm"
      :rules="loginRules"
    >
      <div class="title-container">
        <h3 class="title">{{ $t('msg.login.title') }}</h3>
        <lang-select class="lang-select" effect="light"></lang-select>
      </div>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon="user" ></svg-icon>
        </span>
        <el-input
          placeholder="username"
          name="username"
          type="text"
          v-model="loginForm.username"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon="password" ></svg-icon>
        </span>
        <el-input
          placeholder="password"
          name="password"
          :type="passwordShowType"
          v-model="loginForm.password"
        />
        <span class="svg-container show-pwd" @click="changePasswordShowType">
          <svg-icon
            :icon="passwordShowType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        :loading="loading"
        @click="handleLogin"
      >{{ $t('msg.login.loginBtn') }}</el-button>
    </el-form>
  </div>
</template>
<script setup lang="ts">
import { ref } from 'vue'
import { validatePassword } from './rule'
import { useStore } from 'vuex'
import { useI18n } from 'vue-i18n'
import router from '../../router'
const store = useStore()
/* 表单登录参数 */
const loginForm = ref({
  username: 'admin',
  password: '12345678'
})
const i18n = useI18n()
/* 登录表单校验规则 */
const loginRules = ref({
  username: [
    {
      required: true,
      trigger: 'blur',
      message: i18n.t('msg.login.usernameRule')
    }
  ],
  password: [
    {
      required: true,
      trigger: 'blur',
      validator: validatePassword()
    }
  ]
})

/* 密码输入框后的眼睛是否打开，密码是否明文 */
const passwordShowType = ref('password')

/* passwordShowType 值切换 password text */
const changePasswordShowType = () => {
  if (passwordShowType.value === 'password') {
    passwordShowType.value = 'text'
  } else {
    passwordShowType.value = 'password'
  }
}

const loginFormRef = ref(null)
/* 防止重复提交 */
const loading = ref(false)

/* 点击登录 */
const handleLogin = () => {
  loginFormRef.value.validate((vaild:boolean) => {
    if (!vaild) return
    loading.value = true
    store.dispatch('user/login', loginForm.value).then(() => {
      loading.value = false
      router.push('/')
    }).catch(err => {
      console.log(err)
      loading.value = false
    })
  })
}
</script>
<style lang="scss" scoped>
@import '../../styles/variables.module.scss';
$light_gray: #eee;
$cursor: #fff;
.login-container {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background-color: $loginBg;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;

    :deep(.el-form-item) {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
    :deep(.el-input__wrapper) {
      display: flex;
      background: transparent;
      box-shadow: none;
    }
    :deep(.el-input) {
      display: inline-block;
      height: 47px;
      width: 85%;
      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;
      }
    }
  }
  .tips {
    font-size: 16px;
    line-height: 28px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $darkGray;
    vertical-align: middle;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $lightGray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }

    .set-language {
      color: #fff;
      position: absolute;
      top: 3px;
      font-size: 18px;
      right: 0px;
      cursor: pointer;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $darkGray;
    cursor: pointer;
    user-select: none;
  }

  :deep(.lang-select) {
    position: absolute;
    top: 4px;
    right: 0;
    background-color: white;
    font-size: 22px;
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
